The unadjusted trial balance of Save-A-Lot Co. as of December 31, 2015, contains the following. Adjustment data: Depreciation is $10, 000 on buildings and $9,000 on equipment. (Both are operating expenses.) Interest of $5,500 is due and unpaid on notes payable at December 31. Other data: $15,000 of the notes payable arc payable next year. Instructions: Journalize the adjusting entries. Prepare a multiple-step income statement. Prepare a retained earnings statement. Prepared a classified balance sheet